﻿#region Copyright (c) 2003 - 2008, Andreas Mueller
/////////////////////////////////////////////////////////////////////////////////////////
// 
// Copyright (c) 2003 - 2008, Andreas Mueller.
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// which accompanies this distribution, and is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// Contributors:
//    Andreas Mueller - initial API and implementation
//
// 
// This software is derived from software bearing the following
// restrictions:
// 
// Copyright (c) 1994
// Hewlett-Packard Company
// 
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation.  Hewlett-Packard Company makes no
// representations about the suitability of this software for any
// purpose.  It is provided "as is" without express or implied warranty.
// 
// 
// Copyright (c) 1996,1997
// Silicon Graphics Computer Systems, Inc.
// 
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation.  Silicon Graphics makes no
// representations about the suitability of this software for any
// purpose.  It is provided "as is" without express or implied warranty.
// 
// 
// (C) Copyright Nicolai M. Josuttis 1999.
// Permission to copy, use, modify, sell and distribute this software
// is granted provided this copyright notice appears in all copies.
// This software is provided "as is" without express or implied
// warranty, and with no claim as to its suitability for any purpose.
// 
/////////////////////////////////////////////////////////////////////////////////////////
#endregion


using NUnit.Framework;
using NUnit.Framework.SyntaxHelpers;
using System;
using System.Runtime.Serialization;
namespace NStl.NUnit.FunctionalFixture
{
    [TestFixture]
    public class IsSomethingFixture
    {
        [Test]
        public void IsNull()
        {
            IUnaryPredicate<object> isNull = Functional.IsNull<object>();
            Assert.That(isNull.Execute(null), Is.True);
            Assert.That(isNull.Execute(new object()), Is.False);
        }
        [Test]
        public void IsDefaultValueType()
        {
            IUnaryPredicate<int> isDefault = Functional.IsDefault<int>();
            Assert.That(isDefault.Execute(new int()), Is.True);
            Assert.That(isDefault.Execute(42), Is.False);
        }
        [Test]
        public void IsDefaultValueRefType()
        {
            IUnaryPredicate<object> isDefault = Functional.IsDefault<object>();
            Assert.That(isDefault.Execute(null), Is.True);
            Assert.That(isDefault.Execute(new object()), Is.False);
        }

        [Test]
        public void IsKindOf()
        {
            IBinaryPredicate<Type, Type> isKindOf = Functional.IsKindOf();
            Assert.That(isKindOf.Execute(typeof(Exception), typeof(object)), Is.True);
            Assert.That(isKindOf.Execute(typeof(Exception), typeof(ISerializable)), Is.True);
            Assert.That(isKindOf.Execute(typeof(object), typeof(Exception)), Is.False);
        }
    }
}
